Syaiful, S.; Siregar, H.; Rustiadi, E.; Hariyadi, E. S.; Prayudyanto, M. N. .; Rulhendri, R. Noise from the Traffic Volume of Motorcycle During the Covid-19 Pandemic: A Case Study of Wiyata Mandala Junior High Schoool Bogor. SJES 2022, 6, 44-54.